Mainspring · Managed AI employees

Hi, I’m Otto.

Your AI employee. He answers, follows up, and proves the work — every shift.

Hire Otto — $1,497/mo Hear him first ↓
01 / The mainspring

Inside every watch, one part powers the rest.

It stores the energy. Releases it right on time.

Otto is that part for your business.

02 / On shift

He answers like your best hire.

First ring to last follow-up, seven days a week. One shift:

7:02 AMMissed call caught · job booked for 2:30
12:15 PM9-day-old estimate revived · “let’s go ahead”
9:00 PMProof digest in your inbox · every action logged
Otto · answering for Apex Heating
Upstairs stopped cooling last night and it’s 88 in the house. Nobody’s called me back.
Otto with Apex Heating — sorry you’ve been waiting on a call back. Upstairs only usually means the blower or a frozen coil, not the whole system. I have a tech free at 2:30 today; the $89 diagnostic is waived if you go ahead with the repair.
2:30 works. I’ll be home after one.
BOOKED · 2:30 PM · LOGGED ✓
03 / How it works
01

Audit

We find where calls, estimates, and follow-ups are leaking revenue. Free, no call required.

02

Install

Otto learns your services, tone, and rules. You approve exactly what he can say, book, and send.

03

Prove

Every call, text, and booking logged. A nightly digest shows the work — receipts, not vibes.

Works inside ServiceTitan · Jobber · Housecall Pro · QuickBooks · Google Calendar · CallRail + hundreds more — connected for you

04 / The math

Do the payroll math.

True cost of one trained hire
Salary — one trained hire, any seat $3,900
Employer payroll tax & workers’ comp $470
Health & benefits $680
Hiring, turnover & retraining $350
Hours covered, per week 40 / 168
Every month $5,400/mo
OTTO · EVERY ROLE, EVERY SHIFT — $1,497/MO FLAT

−72% payroll. +128 hours a week. No taxes, no benefits, no turnover, no sick days. And that’s one seat — train Otto into whatever the business needs next.

Estimates: typical fully-loaded cost of one trained U.S. hire. Your market may vary.

One employee. One price.

Movement · Otto
$1,497/mo
$0 setup · managed for you · cancel anytime

Less than a part-time hire. One recovered job a month pays for him.

Hire Otto

Launch guarantee: if the first approved workflow isn’t live within 30 days of Mainspring receiving the access and approvals it needs, cancel for a full refund of your first month.

05 / Hear Otto

Don’t take our word. Take his call.

Leave a number. Otto calls back trained on your business — you’ll hear exactly what your customers hear.

Optional AI voice demo — usually calls back within a few minutes.

06 / FAQ

Simple questions.

A managed AI employee. Mainspring handles setup, rules, launch, monitoring, and improvement. You get outcomes and proof, not software homework.

Every shift. Wound and working.

Hire the part that powers the rest.

Hire Otto — $1,497/mo Hear him first